| Patents for H04B 13 - Transmission systems characterised by the medium used for transmission, not provided for in groups (1,959) |
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| 03/04/2009 | EP2028997A1 Communication device and method using human body |
| 03/04/2009 | CN101378293A Method and apparatus for measuring network node of underwater sensor |
| 03/03/2009 | CA2541077C Method and conduit for transmitting signals |
| 02/26/2009 | WO2009025440A1 Receiver and method for receiving data in human body communication system using multiple receivers |
| 02/26/2009 | WO2008152408A3 Wireless underwater hull inspection system |
| 02/24/2009 | US7495445 Flux orientation locating in a drilling system |
| 02/19/2009 | WO2009022926A1 Diver monitoring and communication system |
| 02/19/2009 | CA2696506A1 Diver monitoring and communication system |
| 02/18/2009 | EP1695296B1 A system for identifying an individual in an electronic transaction |
| 02/18/2009 | CN101371530A Automatic and secure configuration of wireless medical networks |
| 02/17/2009 | US7493047 Transceiver suitable for data communications between wearable computers |
| 02/12/2009 | WO2009020404A1 Beam forming system and method |
| 02/11/2009 | CN101366210A Method and apparatus for providing touch and play (tap) - based service and system using the method and apparatus |
| 02/05/2009 | WO2009017300A1 Method and apparatus for communicating sound wave of human body |
| 02/05/2009 | WO2009017151A1 Communication system |
| 01/29/2009 | WO2009013374A1 Method and device for audio transmission and reception for bidirectional communication by means of current injection |
| 01/28/2009 | EP2018724A1 Method of transferring application data from a first device to a second device, and a data transfer system |
| 01/28/2009 | CN101356751A Improvements in data communications |
| 01/28/2009 | CN101355390A Method for collecting virtual cluster of underwater sensor network high time resolution data |
| 01/15/2009 | US20090015262 Buoy-based marine electromagnetic signal acquisition system |
| 01/14/2009 | CN101345591A Portable terrane communication machine |
| 01/14/2009 | CN101345551A Communication network of earth surface electromagnetic wave induction |
| 01/08/2009 | WO2006093834A9 System and method for underwater data communication |
| 01/07/2009 | EP2011259A1 Human body communication method using multi-carrier modulation method |
| 01/01/2009 | US20090002192 Dive computer system |
| 12/31/2008 | CN201174703Y Underwater communication equipment |
| 12/31/2008 | CN201174168Y Portable hydroacoustic remote control power signal transmitter |
| 12/31/2008 | CN101336521A Communication system using frequency according to security or transmission distance |
| 12/31/2008 | CN101335574A Sound shielding method for multipath channel |
| 12/31/2008 | CN101335573A Wideband adaptive matching method and apparatus for submarine sound signal transmitter |
| 12/25/2008 | US20080317166 Methods for propagating a non sinusoidal signal without distortion in dispersive lossy media |
| 12/24/2008 | WO2008132480A3 Dispersion control in underwater electromagnetic communication systems |
| 12/23/2008 | US7469104 COTDR arrangement for an undersea optical transmission system comprising multiple cable stations and multiple transmission segments |
| 12/23/2008 | US7469017 Multimodulation transmitter |
| 12/23/2008 | CA2260458C Downhole telemetry system and method for remote communication |
| 12/16/2008 | US7467056 Method and apparatus for aligning multiple outputs of an FPGA |
| 12/04/2008 | WO2008145219A1 Intra-body communication network scheduler and method of operation thereof |
| 12/04/2008 | WO2008098398A3 System and portable device for transmitting identification signals |
| 12/04/2008 | DE19752974B4 Türschloß-Steuervorrichtung für Fahrzeuge A door lock control device for vehicles |
| 12/03/2008 | EP1997984A2 Motor vehicle door grip with proximity sensor |
| 11/27/2008 | US20080294722 Method and Apparatus for Providing Touch and Play (Tap) - Based Service and System Using the Method and Apparatus |
| 11/19/2008 | CN101310460A Receiver, transceiver, and electric field communication system |
| 11/19/2008 | CN101310459A Method and apparatus for configuring a communication channel |
| 11/19/2008 | CN101309119A Underwater acoustic carrier communication system comprising underwater acoustic communication water collecting controller |
| 11/13/2008 | WO2008136578A1 Apparatus and method for controlling human body contact of ground electrode, and human body communication system using the same |
| 11/13/2008 | WO2008135723A1 Electromagnetic beam-forming antennas underwater |
| 11/06/2008 | WO2008132480A2 Dispersion control in underwater electromagnetic communication systems |
| 10/30/2008 | WO2008130801A1 Wireless communication network for an implantable medical device system |
| 10/30/2008 | WO2008130007A1 Communication device |
| 10/29/2008 | CN101297506A Communication apparatus |
| 10/15/2008 | EP1980065A1 Automatic and secure configuration of wireless medical networks |
| 10/15/2008 | EP1980040A1 System and method for collecting information for submarines |
| 10/15/2008 | EP1530526B1 Circuit for selectively producing switching signals |
| 10/15/2008 | CN201134811Y Circuit equipment of digital rail |
| 10/15/2008 | CN101285699A Underwater blast wave field test system |
| 10/15/2008 | CN100426912C Method for implementing network planning of open field |
| 10/09/2008 | WO2008120601A1 Data communication system |
| 10/07/2008 | CA2292045C Wireless data transmission over quasi-static electric potential fields |
| 10/02/2008 | WO2008117635A1 Magnetic force wave communication apparatus |
| 10/02/2008 | US20080240209 Sub-Surface communications system and method |
| 09/30/2008 | US7430374 Transceiver suitable for data communications between wearable computers |
| 09/25/2008 | WO2008114870A1 Electric-field communication device |
| 09/25/2008 | WO2008114729A1 Communication system |
| 09/24/2008 | CN101272188A Fast self-optimization self-adaptive signal processing method and device of coherent communication technology |
| 09/18/2008 | WO2008109929A1 Remote monitoring of underwater objects |
| 09/12/2008 | WO2008106816A2 Access control system, and closing mechanism |
| 09/11/2008 | US20080220734 System, device and method for generating a logarithmic function according to a plurality of communication signals |
| 09/10/2008 | CN201114087Y Wireless data-transmission device suitable for near sea water environment |
| 09/10/2008 | CN201114086Y Track loop device |
| 09/10/2008 | CN201114085Y Metal pipeline data-transmission coupler |
| 09/09/2008 | US7423931 Acoustic system for communication in pipelines |
| 09/03/2008 | EP1965520A1 Activity information meter |
| 09/03/2008 | EP1964292A1 Improvements in data communications |
| 09/03/2008 | CN101257354A Underwater voice communication method of low code rate |
| 09/03/2008 | CN101257353A Activity information meter |
| 08/28/2008 | US20080205904 Electric Field Sensor Device, Transceiver, Positional Information Obtaining System, and Information Input System |
| 08/28/2008 | US20080205892 Underwater Optical Communications System and Method |
| 08/27/2008 | EP1961138A1 Doppler tracking method and device for a wide band modem |
| 08/21/2008 | WO2008098402A1 Method for measuring information of technical systems |
| 08/21/2008 | WO2008098401A1 Method for measuring information of technical and biological systems |
| 08/21/2008 | WO2008098400A1 Method for measuring information of biological systems |
| 08/21/2008 | WO2008098399A1 System and portable device for transmitting identification signals |
| 08/21/2008 | WO2008098398A2 System and portable device for transmitting identification signals |
| 08/21/2008 | WO2008098397A1 System and portable device for transmitting identification signals |
| 08/20/2008 | EP1958357A1 Communication system using frequency according to security or transmission distance |
| 08/20/2008 | EP1958356A1 Method and apparatus for providing touch and play (tap) - based service and system using the method and apparatus |
| 08/20/2008 | CN101247184A Communication repeater system for underwater robot |
| 08/14/2008 | WO2008096676A1 Communication system |
| 08/12/2008 | CA2296223C Method, apparatus and communication system for exchange of information in pervasive environments |
| 08/07/2008 | WO2008094128A1 Antenna for underwater communications |
| 08/07/2008 | WO2008092637A1 Operation equipment for a vehicle |
| 08/06/2008 | EP1953934A1 RF communication system using the human body as an antenna |
| 07/30/2008 | EP1949571A2 Communication apparatus |
| 07/30/2008 | EP1948296A2 Leadless cardiac pacemaker and system |
| 07/23/2008 | CN101228719A Underwater communications system |
| 07/02/2008 | CN101213559A 通信装置和通信系统 A communication apparatus and communication system |
| 06/26/2008 | WO2008075092A1 Data transfer |
| 06/25/2008 | CN101208884A COTDR arrangement for an undersea optical transmission system comprising multiple cable stations and multiple transmission segments |
| 06/17/2008 | US7388512 Diver locating method and apparatus |
| 06/12/2008 | WO2008069570A1 Apparatus and method for providing media advertisement service using human body communication |